Principal Full Stack Software Engineer, Investments Technology (Public Markets)

About Liberty Mutual Insurance At Liberty Mutual, we believe progress happens when people feel secure. For more than 110 years we have helped people and businesses embrace today and confidently pursue tomorrow by providing protection for the unexpected and delivering it with care. A Fortune 100 company with more than 40,000 employees in 28 countries and economies, we are the ninth largest global property and casualty insurer and generate more than $50 billion in annual consolidated revenue. We operate through three strategic business units: US Retail Markets, providing auto, home, renters and other personal and small commercial lines property and casualty insurance to individuals and small businesses countrywide; Global Risk Solutions, delivering a full range of comprehensive commercial and specialty insurance, reinsurance and surety solutions to mid-size and large businesses worldwide; and Liberty Mutual Investments, deploying more than $100 billion of long-term capital globally across its integrated platform to drive economic growth, power innovation and secure Liberty Mutual’s promises. For more information, visit www.libertymutualinsurance.com.

Liberty Mutual Insurance

Pursue your tomorrow, today.

Insurance

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libertymutualgroup.com

10,001+ employees

Insurance

Boston, MA

Privately Held

563k LinkedIn followers

• Liberty Mutual Investments manages Liberty Mutual Insurance Group’s global financial assets across public and private domains, to create capital and generate income. With over $100 billion in AUM and staffed with 300+ investment, finance and operations professionals located in Boston, MA., Liberty Mutual Investments offers the best of both worlds; the look and feel of a boutique investment firm, and the reputation and financial strength of a Fortune 100 company.
• Note: This role has a preferred hybrid work arrangement (3 days per week in our Boston office).
• The Principal Full Stack Software Engineer for the Public Markets Agile Squad will
• Provide hands-on technical leadership designing and building real-time, high‑throughput trading and market data platforms for Global Liquid Markets.
• Partner closely with Product Owners, business stakeholders, and Solution Engineers to co‑create solution designs that balance speed, resilience, security, and enterprise quality.
• Serve as the technical authority on the squad, guiding architecture decisions, setting engineering standards, and ensuring alignment with Public Markets and enterprise technology strategy.
• Design clean, evolvable architectures for low‑latency, event‑driven, and API‑first systems supporting institutional trading workflows.
• Embed modern software engineering practices including CI/CD, automated testing, observability, and responsible use of AI across the SDLC to improve developer productivity and system quality.
• Lead design reviews, produce clear architectural artifacts, and articulate technical trade‑offs to both technical and non‑technical audiences.
• Collaborate across squads and enterprise architecture to deliver integrated solutions while avoiding local optimization.
• Mentor and develop engineers through code reviews, pairing, and coaching, setting a high bar for engineering excellence.

• 8+ years of software engineering experience in an agile environment
• Prior experience building real‑time trading, execution, order management, or market data systems for institutional investors strongly preferred.
• Deep understanding of distributed systems, low‑latency architectures, and resilient, fault‑tolerant design.
• Proven experience working in fast‑paced, regulated financial services environments.
• Strong proficiency in Python and modern backend development; experience with cloud‑native architectures on AWS (e.g., Lambda, Fargate, Step Functions).
• Experience designing and consuming REST and event‑driven APIs; familiarity with data platforms such as Snowflake and ingestion pipelines.
• Practical experience applying AI‑assisted tools in the SDLC (e.g., code generation, test creation, observability, or productivity tooling).
• Excellent communication, facilitation, and influence skills.
• Deep knowledge of software architecture patterns, security and privacy controls, and enterprise engineering practices.
• Strong grasp of agile delivery, backlog management, and incremental value delivery.
• A Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent practical experience.

• Comprehensive benefits
• Workplace flexibility
• Professional development opportunities
• Employee resource groups